Ribbon cartridge



FIG. 1 is a top plan view of a ribbon cartridge showing my new design;

FIG. 2 is a bottom plan view thereof on a reduced scale;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view; and

FIG. 6 is a left side elevational view.

The ornamental design for a ribbon cartridge, as shown.